MS-PS4-2

Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.

  1. Physics

    Scientists Say: Diffraction

    When liquid hits something it spatters, when light hits something, it scatters. The process is called diffraction.

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  2. Animals

    Spidey sense: They can hear you!

    Surprise! At least some spiders can hear us. Even without eardrums, jumping spiders can still detect airborne sounds from across the room.

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  3. Tech

    Hot, hot, hot? New fabric could help you stay cool

    A plastic fabric can let body heat escape efficiently, if the material is filled with tiny bubbles of just the right size

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  4. Chemistry

    Got milk? Roach milk could be a new superfood

    Scientists have just figured out the recipe for cockroach milk. And that could be a first step toward making it part of the human diet. Yum!

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  5. Physics

    Famous physics cat now alive, dead and in two boxes at once

    Splitting Erwin Schrödinger’s famous — and fictitious — cat between two boxes brings scientists one step closer to building quantum computers from microwaves.

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  6. Earth

    Cool Jobs: Getting to know volcanoes

    It’s too hot to explore the insides of a volcano. These scientists examine their lava, their low-frequency rumblings and their ‘vog’.

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  7. Health & Medicine

    Headed to a concert this summer? Pack earplugs

    Wearing earplugs at concerts and other loud events may prevent hearing loss and permanent ear damage, a new study suggests.

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  8. Health & Medicine

    Explainer: When loud becomes dangerous

    Many people don’t realize that sounds — even those of the music they love — can prove harmful when they get too loud.

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  9. Tech

    How to make window ‘glass’ from wood

    Scientists have come up with a way to make wood transparent. The new material could be used in everything from windows to packaging.

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  10. Space

    Hurricane at this galaxy’s center is wicked fast

    The gale-force winds around one quasar whip by at almost 200 million kilometers per hour. That’s 625,000 times faster than the strongest hurricanes on Earth.

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  11. Physics

    Sunlight + gold = steaming water (no boiling needed)

    Nano-gold is the new black, at least when it comes to absorbing heat. When tiny gold particles get together, they become energy super-absorbers — turning them black.

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  12. Tech

    Feeling objects that aren’t there

    A new technology uses high-frequency sound waves to create virtual objects you can feel. Its uses include better video games and safer driving.

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